Heterozygous Mutations in Both the AMN and CBS Genes: Double Haploinsufficiency as an Unusual Cause of Vitamin B12 Deficiency—A Case Report by Per Ole Iversen, Jean‐Louis Gueant, Abderrahim Oussalah, Helga Refsum, Ebba Nexo, Geir E. Tjønnfjord, Christian Qvigstad

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Exploring the Lean Phenotype of Glutathione-Depleted Mice: Thiol, Amino Acid and Fatty Acid Profiles. by Amany K Elshorbagy, Fredrik Jernerén, Cheryl L Scudamore, Fiona McMurray, Heather Cater, Tertius Hough, Roger Cox, Helga Refsum

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Acute effects of oral mesna administration on the full amino acid profile and 3-methylhistidine: secondary results from the CYLOB dose-finding study by Thomas Olsen, Amany Elshorbagy, Emma Stolt, Anders Åsberg, Hasse K. Zaré, Nasser E. Bastani, Helga Refsum, Kjetil Retterstøl, Kathrine J. Vinknes

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Homocysteine-lowering by B vitamins slows the rate of accelerated brain atrophy in mild cognitive impairment: a randomized controlled trial. by A David Smith, Stephen M Smith, Celeste A de Jager, Philippa Whitbread, Carole Johnston, Grzegorz Agacinski, Abderrahim Oulhaj, Kevin M Bradley, Robin Jacoby, Helga Refsum

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Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children. by Carolina Bonilla, Debbie A Lawlor, Amy E Taylor, David J Gunnell, Yoav Ben-Shlomo, Andrew R Ness, Nicholas J Timpson, Beate St Pourcain, Susan M Ring, Pauline M Emmett, A David Smith, Helga Refsum, Craig E Pennell, Marie-Jo Brion, George Davey Smith, Sarah J Lewis

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